perf(serverHandler/fakeFileInfo): use fixed time as ModTime

Author: marjune163

src/serverHandler/asset.go

@@ -2,11 +2,8 @@ package serverHandler
 
 import (
 	"net/http"
-	"time"
 )
 
-var initTime = time.Now()
-
 func (h *handler) asset(w http.ResponseWriter, r *http.Request, assetPath string) {
 	header := w.Header()
 	header.Set("X-Content-Type-Options", "nosniff")

src/serverHandler/fakeFileInfo.go

@@ -5,6 +5,8 @@ import (
 	"time"
 )
 
+var initTime = time.Now()
+
 type fakeFileInfo struct {
 	name  string
 	isDir bool
@@ -23,7 +25,7 @@ func (info *fakeFileInfo) Mode() os.FileMode {
 }
 
 func (info *fakeFileInfo) ModTime() time.Time {
-	return time.Now()
+	return initTime
 }
 
 func (info *fakeFileInfo) IsDir() bool {